Section 6 Electrical System
6-49
Water Curtain Removal
The water curtain must be on (bin switch closed) to
start ice making. The water curtain can be removed
and installed at any time during a freeze cycle without
interfering with the electrical control sequence.
If the ice machine goes into a harvest sequence while
the water curtain is removed, one of the following
will happen:
• Water curtain remains off
When the harvest cycle time reaches 3.5 minutes
and the bin switch is not closed, the ice machine
stops as though the bin were full.
• Water curtain is put back on
If the bin switch closes prior to reaching the 3.5
minute point, the ice machine immediately returns
to another freeze sequence prechill.
Fuses
The main fuse stops ice machine operation if
electrical components fail cauing high amp draw.
The old style circuit board has an additional fuse. The
transformer fuse protects the primary of the
transformer only.
SAFETY LIMITS
In addition to standard safety controls, such as the
high pressure cut-out, the control board has built-in
safety limits. Old style control boards have four
safety limits, while new style control boards have
two.
These safety limits protect the ice machine from
major component failures. For more information, see
“Safety Limits” in Section 7.
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